Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6953054 | Relief valve | Kenzo Oba, Takeshi Ueki | 2005-10-11 |
| 6382925 | Variable displacement pump | Kenzo Oba, Kenji Saito | 2002-05-07 |
| 6375441 | Back pressure groove structure of variable displacement vane pump | Kenji Saito, Yoshinobu Yamada | 2002-04-23 |